EnSilica has added a 64-bit precision, fully-pipelined MAC unit to its RISC core to deliver the eSi-3260 for audio, sensor hub, motion control and touch screen applications. In addition to 32-bit data, the MAC unit supports dual 16-bit SIMD (single instruction multiple data) multiply and MAC operations. Uniquely, full complex multiplication is also supported, performing four multiplies and two additions per ...